English verb conjugation MUST COLLAPSE

Regular verb: collapse - collapsed - collapsed

Affirmation

Simple form

I must collapse
you must collapse
he must collapse
we must collapse
you must collapse
they must collapse

V-ing form

I must be collapsing
you must be collapsing
he must be collapsing
we must be collapsing
you must be collapsing
they must be collapsing

Perfect

I must have collapsed
you must have collapsed
he must have collapsed
we must have collapsed
you must have collapsed
they must have collapsed

V-ing perfect

I must have been collapsing
you must have been collapsing
he must have been collapsing
we must have been collapsing
you must have been collapsing
they must have been collapsing

Negation

Simple form

I mustn't collapse
you mustn't collapse
he mustn't collapse
we mustn't collapse
you mustn't collapse
they mustn't collapse

V-ing form

I mustn't be collapsing
you mustn't be collapsing
he mustn't be collapsing
we mustn't be collapsing
you mustn't be collapsing
they mustn't be collapsing

Perfect

I mustn't have collapsed
you mustn't have collapsed
he mustn't have collapsed
we mustn't have collapsed
you mustn't have collapsed
they mustn't have collapsed

V-ing perfect

I mustn't have been collapsing
you mustn't have been collapsing
he mustn't have been collapsing
we mustn't have been collapsing
you mustn't have been collapsing
they mustn't have been collapsing

Interrogative form

Simple form

must I collapse?
must you collapse?
must he collapse?
must we collapse?
must you collapse?
must they collapse?

V-ing form

must I be collapsing?
must you be collapsing?
must he be collapsing?
must we be collapsing?
must you be collapsing?
must they be collapsing?

Perfect

must I have collapsed?
must you have collapsed?
must he have collapsed?
must we have collapsed?
must you have collapsed?
must they have collapsed?

V-ing perfect

must I have been collapsing?
must you have been collapsing?
must he have been collapsing?
must we have been collapsing?
must you have been collapsing?
must they have been collapsing?

Interro-negative form

Simple form

mustn't I collapse?
mustn't you collapse?
mustn't he collapse?
mustn't we collapse?
mustn't you collapse?
mustn't they collapse?

V-ing form

mustn't I be collapsing?
mustn't you be collapsing?
mustn't he be collapsing?
mustn't we be collapsing?
mustn't you be collapsing?
mustn't they be collapsing?

Perfect

mustn't I have collapsed?
mustn't you have collapsed?
mustn't he have collapsed?
mustn't we have collapsed?
mustn't you have collapsed?
mustn't they have collapsed?

V-ing perfect

mustn't I have been collapsing?
mustn't you have been collapsing?
mustn't he have been collapsing?
mustn't we have been collapsing?
mustn't you have been collapsing?
mustn't they have been collapsing?

Page top